Change options for sending and receiving text messages
In the BlackBerry Hub, tap 
> 
Settings > Text Messages.
>
Settings > Text Messages.
- To receive a delivery or read notification for your messages, tap SMS or MMS. Set the Confirm Delivery or Confirm Read switch to On.
- To allow other devices to see when you received or read a text message with an attachment, tap the MMS tab. Set the Allow Delivery Confirmation or Allow Read Confirmation switch to On.
- To block unwanted MMS messages, tap the MMS tab. Set the Block Anonymous Messages or Block Advertisements switches to On.
- To stop receiving MMS messages while you roam, tap the MMS tab. In the Auto Retrieval Mode drop-down list, tap Home Only.
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